Highly sensitive antennae of many moths help them detect female sex pheromones thanks to many hairlike olfactory receptors.

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“Certain types of moth have an olfactory sensitivity that verges on the supernatural. They can detect a single molecule of the female sex hormone from miles away. Males of the saturniid, bombycid, and lasiocampid families of moth, which include luna, emperor, polyphemus, vaporer, and silk moths, have large, feathery antennae that bear the moths’ hairlike olfactory receptors in great quantities (as many as 60,000 in some species). Thanks to their broad shape, the antennae come into contact with the largest possible volume of air, making them perfect scent receivers.” (Shuker 2001:28)

The Hidden Powers of Animals: Uncovering the Secrets of NatureJanuary 20, 2021
Dr. Karl P. N. Shuker

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